Home / 994,823.20-1,492,335.60-320,730.40

Finding the Fourth Proportional to 994,823.20, 1,492,335.60 and 320,730.40

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Solution

The fourth proportional to 994,823.20, 1,492,335.60 and 320,730.40 is: 481,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,823.20 : 1,492,335.60 = 320,730.40 : x
  2. Step 2: Convert to fraction form
    994,823.20/1,492,335.60 = 320,730.40/x
  3. Step 3: Cross multiply
    994,823.20x = 1,492,335.60 × 320,730.40
  4. Step 4: Simplify right side
    994,823.20x = 478,637,393,922.24
  5. Step 5: Solve for x
    x = 478,637,393,922.24/994,823.20
  6. Step 6: Final answer
    x = 481,128.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.